CN204026943U - Indoor apparatus of air conditioner - Google Patents
Indoor apparatus of air conditioner Download PDFInfo
- Publication number
- CN204026943U CN204026943U CN201420323541.3U CN201420323541U CN204026943U CN 204026943 U CN204026943 U CN 204026943U CN 201420323541 U CN201420323541 U CN 201420323541U CN 204026943 U CN204026943 U CN 204026943U
- Authority
- CN
- China
- Prior art keywords
- air conditioner
- indoor apparatus
- angle
- top cover
- tubular wine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
Abstract
The utility model provides a kind of indoor apparatus of air conditioner, comprise housing, and the heat exchanger and the cross flow fan that are arranged on enclosure interior, cross flow fan comprises tubular wine wheel and the spiral case that cooperatively interacts and arrange, spiral case comprises top cover and snail tongue, between top cover and snail tongue, form the diffusion portion of cross flow fan, draw together splenium downward and form air port at the downside of housing, on the trailing flank of housing and/or upper side, there is return air inlet; The angle of the included angle X that the molded line two-end-point of top cover becomes with the circle center line connecting of tubular wine wheel is 185 °～225 °.Indoor apparatus of air conditioner of the present utility model, by air outlet is arranged on downside, return air inlet is arranged on trailing flank and/or downside, realize the local furred ceiling in room, save a large amount of room ceiling voiies, can realize again the middle and lower part (being people's zone of action) of wind being sent to room, by the optimization to top cover, reduced the noise of indoor apparatus of air conditioner, the comfortableness that has improved air-out efficiency and heated.
Description
Technical field
The utility model relates to refrigerating field, relates in particular to a kind of indoor apparatus of air conditioner.
Background technology
Along with the raising of people's living standard, people also more and more focus on the finishing in room, and due to the disguise of concealed type room air conditioner unit, concealed type room air conditioner unit often adopts local furred ceiling mode, to save the ceiling void; Air-conditioning unit adopts side to return down air-flow endless form simultaneously, and air-flow can be relatively easy to arrive the middle and lower part in room.But existing concealed type room air conditioner unit noise problem when improving air quantity is just more outstanding, cannot further improve in air quantity control noise within rational scope.
Utility model content
In view of the present situation of prior art, the purpose of this utility model is to provide a kind of indoor apparatus of air conditioner, has reduced the noise of indoor apparatus of air conditioner, has improved air-out efficiency.For achieving the above object, the technical solution of the utility model is as follows:
An indoor apparatus of air conditioner, comprises housing, and the heat exchanger and the cross flow fan that are arranged on described enclosure interior, and described cross flow fan comprises tubular wine wheel and the spiral case that cooperatively interacts and arrange;
Described spiral case comprises top cover and snail tongue, forms the diffusion portion of described cross flow fan between described top cover and described snail tongue, described in draw together splenium downward and form air port at the downside of described housing;
On the trailing flank of described housing and/or upper side, there is return air inlet;
The angle of the included angle X that the molded line two-end-point of described top cover becomes with the circle center line connecting of described tubular wine wheel is 185 °～225 °.
In an embodiment, the angle of the included angle X that the molded line two-end-point of described top cover becomes with the circle center line connecting of described tubular wine wheel is 190 °～220 ° therein.
In an embodiment, the minimum clearance δ 1 between the edge of described tubular wine wheel and described snail tongue is 7mm～9mm therein, and the minimum clearance δ 2 between the edge of described tubular wine wheel and described top cover is 2mm～14mm.
In an embodiment, the angle between the inner side edge of the end towards tubular wine wheel of described snail tongue and outer side edges edge and the line in the described tubular wine wheel center of circle is Ψ therein, wherein, and 21 °≤Ψ≤43 °.
In an embodiment, the angle between described snail tongue and described top cover opens to air side therein, and form drawing together of described diffusion portion and press angle γ, wherein, 11 °≤γ≤39 °.
In an embodiment, described heat exchanger is two folding heat exchangers therein, and the angle theta 1 between the second folding of the first fold of described heat exchanger and described heat exchanger is 36 °～149 °.
In an embodiment, described heat exchanger is heat exchanger more than three foldings therein.
In an embodiment, described top cover is 41 °～119 ° from line and the horizontal line angle ω in the closest approach of described tubular wine wheel and the center of circle of described tubular wine wheel therein.
In an embodiment, the center of circle of described tubular wine wheel is 65mm～175mm to the vertical distance L of described air outlet on the downside of described housing therein.
In an embodiment, the air inlet angle α of described cross flow fan is 121 °～249 ° therein, and the angle beta of giving vent to anger of described cross flow fan is 111 °～239 °, wherein, and alpha+beta=360 °.
The beneficial effects of the utility model are:
Indoor apparatus of air conditioner of the present utility model, by air outlet is arranged on downside, return air inlet is arranged on trailing flank and/or downside, realize the local furred ceiling in room, save a large amount of room ceiling voiies, can realize again the middle and lower part (being people's zone of action) of wind being sent to room, by the optimization to top cover, making the angle of the angle that the molded line two-end-point of top cover becomes with tubular wine wheel circle center line connecting is 185 °～225 °, this kind of Structure Decreasing the noise of indoor apparatus of air conditioner, the comfortableness that has improved air-out efficiency and heated.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of indoor apparatus of air conditioner one embodiment of the present utility model;
Fig. 2 is that indoor apparatus of air conditioner shown in Fig. 1 is along tubular wine wheel cross-sectional schematic radially;
Fig. 3 is Ψ, the θ 1 position relationship schematic diagram of indoor apparatus of air conditioner shown in Fig. 2;
Fig. 4 is δ 1, δ 2, α, the β position relationship schematic diagram of indoor apparatus of air conditioner shown in Fig. 2;
Fig. 5 is ω, γ, the L position relationship schematic diagram of indoor apparatus of air conditioner shown in Fig. 2;
Fig. 6 is the airflow circulating schematic diagram that the side of indoor apparatus of air conditioner shown in Fig. 1 is returned next-out.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, indoor apparatus of air conditioner of the present utility model is further elaborated.Should be appreciated that specific embodiment described herein is only for explaining the utility model, and be not used in restriction the utility model.
Referring to figs. 1 through Fig. 6, indoor apparatus of air conditioner one embodiment of the present utility model comprises housing 1, and the heat exchanger 3 and the cross flow fan 2 that are arranged on housing 1 inside, the bottom of heat exchanger 3 arranges drip tray 4, cross flow fan 2 comprises tubular wine wheel 22 and the spiral case that cooperatively interacts and arrange, described spiral case comprises top cover 21 and snail tongue 23, forms the diffusion portion of cross flow fan 2 between top cover 21 and snail tongue 23, described in draw together splenium downward and form air port at the downside of housing 1; On the trailing flank of housing 1 and/or upper side, there is return air inlet.
The angle of the included angle X that the molded line two-end-point of top cover 21 becomes with tubular wine wheel 22 circle center line connectings (the corresponding central angle of top cover molded line) is 185 °～225 °, shown in Fig. 2, and preferably 190 °～220 ° of λ.
Angle between the inner side edge of the end towards tubular wine wheel 22 of snail tongue 23 and outer side edges edge and the line in tubular wine wheel 22 centers of circle is Ψ, as shown in Figure 3, wherein, 21 °≤Ψ≤43 °, preferably 25 ° or 35 ° of Ψ.
Angle between snail tongue 23 and top cover 21 opens (in Fig. 5 for opening) downwards to air side, form drawing together of described diffusion portion and press angle γ, and wherein, 11 °≤γ≤39 °, γ is any one in 24 °, 25 ° and 26 ° preferably.
As a kind of embodiment, top cover 21 is 41 °～119 ° from line and the horizontal line angle ω in the closest approach of tubular wine wheel 22 and the center of circle of tubular wine wheel 22, as shown in Figure 5, preferably 65 °～95 ° of ω, ω is the best in the time of 85 °.
As a kind of embodiment, as shown in Figure 4, the air inlet angle α of cross flow fan 2 is 121 °～249 °, and the angle beta of giving vent to anger of cross flow fan 2 is 111 °～239 °, wherein, and alpha+beta=360 °.The air inlet angle of cross flow fan 2 is on top cover 21 with the beeline point in tubular wine wheel 22 centers of circle and puts the line in tubular wine wheel 22 centers of circle at the angle of cross flow fan air inlet side to the beeline in distance tubular wine wheel 22 centers of circle on the line in tubular wine wheel 22 centers of circle and snail tongue 23; The efflux angles of cross flow fan 2 is: the circle center line connecting that the beeline of putting tubular wine wheel on the circle center line connecting of tubular wine wheel 22 and snail tongue 23 with the beeline in the center of circle of tubular wine wheel 22 on top cover is put tubular wine wheel is at the give vent to anger angle of side of cross flow fan.
Minimum clearance δ 1 between the edge of tubular wine wheel 22 and snail tongue 23 is 7mm～9mm, preferably 8mm.Minimum clearance δ 2 between the edge of tubular wine wheel 22 and top cover 21 is 2mm～14mm, preferably 7mm.
As a kind of embodiment, as shown in Figure 2, heat exchanger 3 is two folding heat exchangers, and the angle theta 1 between the first fold of heat exchanger 3 and the second folding of heat exchanger 3 is 36 °～149 °, preferably 50 ° of θ 1.The first fold of heat exchanger 3 is just the first 3a of heat exchange portion, and the second folding of heat exchanger 3 is the second 3b of heat exchange portion, and the angle that the first heat exchange portion 31 and the second 3b of heat exchange portion are interconnected to form between heat exchanger 3, the first 3a of heat exchange portion and the second 3b of heat exchange portion is just θ 1.Certainly, heat exchanger 3 also can be heat exchangers more than three foldings, and the angle theta 2 between adjacent two foldings is 15 °～150 °.As shown in Figure 6, the direction of arrow in figure represents wind direction to the airflow circulating schematic diagram that the side of indoor apparatus of air conditioner is returned next-out.
As a kind of embodiment, as shown in Figure 5, the center of circle of tubular wine wheel 22 is 65mm～175mm to the vertical distance L of described air outlet on the downside of housing 1, any in the preferred 115mm of L and 125mm.
The air-conditioner that a specified refrigerating capacity of usining is 3.5kw is as testing machine, the diameter of selecting tubular wine wheel 22 is 108mm, the corresponding central angle Ψ of snail tongue 23 is 30 °, diffusion angle γ is 16 °, minimum clearance δ 1=6mm between the edge of tubular wine wheel 22 and snail tongue 23, minimum clearance δ 2=5mm between the edge of tubular wine wheel 22 and top cover 21, adopt two-fold heat exchanger 3, heat exchanger 3 is as evaporimeter, the total heat exchange U pipe of two folding evaporimeters number is 16 heat exchange U pipes, angle between two foldings of heat exchanger is 48 °, each folding is all horizontal by 24 ° of angles, unit sectional dimension is 330mm*195mm (long * is high), by adjusting snail tongue 23 corresponding central angle λ, obtain following experimental data:
The corresponding central angle of the different spiral cases of table one, the most high-grade air quantity of unit and noise data
As can be seen from Table I, the corresponding central angle λ of spiral case of unit has important impact to the air-out of cross flow fan, spiral case is guiding the variation of air-flow, the bending length of spiral case has determined variations in flow angle, vaporizer side top cover molded line guiding air-flow enters wind field, outlet side top cover molded line is guided out wind direction, owing to adopting side, return next-out air conditioning air flow form, in order to obtain a good air quantity and noise result, the bending length of top cover molded line is certain, according to experimental data, λ span is 185～225 while spending, unit can obtain a higher air quantity noise ratio, and there will not be the unsettled phenomenon of air-out.λ span is 185～225 to be optimum range while spending.
The indoor apparatus of air conditioner of above-described embodiment, by air outlet is arranged on downside, return air inlet is arranged on trailing flank and/or downside, realize the local furred ceiling in room, save a large amount of room ceiling voiies, can realize again the middle and lower part (being people's zone of action) of wind being sent to room, by the optimization to top cover, making the angle of the angle that the molded line two-end-point of top cover becomes with tubular wine wheel circle center line connecting is 185 °～225 °, this kind of Structure Decreasing the noise of indoor apparatus of air conditioner, improve air-out efficiency and the comfortableness heating, thereby improved the comfortableness in room.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. an indoor apparatus of air conditioner, comprises housing, and the heat exchanger and the cross flow fan that are arranged on described enclosure interior, it is characterized in that:
Described cross flow fan comprises tubular wine wheel and the spiral case that cooperatively interacts and arrange;
Described spiral case comprises top cover and snail tongue, forms the diffusion portion of described cross flow fan between described top cover and described snail tongue, and described diffusion portion downward and at the downside of described housing forms air port;
On the trailing flank of described housing and/or upper side, there is return air inlet;
The angle of the included angle X that the molded line two-end-point of described top cover becomes with the circle center line connecting of described tubular wine wheel is 185 °～225 °.
2. indoor apparatus of air conditioner according to claim 1, is characterized in that:
The angle of the included angle X that the molded line two-end-point of described top cover becomes with the circle center line connecting of described tubular wine wheel is 190 °～220 °.
3. indoor apparatus of air conditioner according to claim 1 and 2, is characterized in that:
Minimum clearance δ 1 between the edge of described tubular wine wheel and described snail tongue is 7mm～9mm, and the minimum clearance δ 2 between the edge of described tubular wine wheel and described top cover is 2mm～14mm.
4. indoor apparatus of air conditioner according to claim 1 and 2, is characterized in that:
Angle between the inner side edge of the end towards tubular wine wheel of described snail tongue and outer side edges edge and the line in the described tubular wine wheel center of circle is Ψ, wherein, and 21 °≤Ψ≤43 °.
5. indoor apparatus of air conditioner according to claim 1 and 2, is characterized in that:
Angle between described snail tongue and described top cover opens to air side, and form drawing together of described diffusion portion and press angle γ, wherein, 11 °≤γ≤39 °.
6. indoor apparatus of air conditioner according to claim 1 and 2, is characterized in that:
Described heat exchanger is two folding heat exchangers, and the angle theta 1 between the second folding of the first fold of described heat exchanger and described heat exchanger is 36 °～149 °.
7. indoor apparatus of air conditioner according to claim 1 and 2, is characterized in that:
Described heat exchanger is heat exchanger more than three foldings.
8. indoor apparatus of air conditioner according to claim 1 and 2, is characterized in that:
Described top cover is 41 °～119 ° from line and the horizontal line angle ω in the closest approach of described tubular wine wheel and the center of circle of described tubular wine wheel.
9. indoor apparatus of air conditioner according to claim 1 and 2, is characterized in that:
The center of circle of described tubular wine wheel is 65mm～175mm to the vertical distance L of described air outlet on the downside of described housing.
10. indoor apparatus of air conditioner according to claim 1 and 2, is characterized in that:
The air inlet angle α of described cross flow fan is 121 °～249 °, and the angle beta of giving vent to anger of described cross flow fan is 111 °～239 °, wherein, and alpha+beta=360 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420323541.3U CN204026943U (en) | 2014-06-17 | 2014-06-17 | Indoor apparatus of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420323541.3U CN204026943U (en) | 2014-06-17 | 2014-06-17 | Indoor apparatus of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204026943U true CN204026943U (en) | 2014-12-17 |
Family
ID=52066791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420323541.3U Withdrawn - After Issue CN204026943U (en) | 2014-06-17 | 2014-06-17 | Indoor apparatus of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204026943U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061668A (en) * | 2014-06-17 | 2014-09-24 | 珠海格力电器股份有限公司 | Air conditioning indoor unit |
| CN108151173A (en) * | 2017-12-22 | 2018-06-12 | 广东美的制冷设备有限公司 | Dehumidifier |
| CN109688766A (en) * | 2018-12-27 | 2019-04-26 | 广东海悟科技有限公司 | A kind of Novel cabinet air-conditioning |
| CN114383197A (en) * | 2021-12-30 | 2022-04-22 | 珠海格力电器股份有限公司 | Air conditioner |
-
2014
- 2014-06-17 CN CN201420323541.3U patent/CN204026943U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061668A (en) * | 2014-06-17 | 2014-09-24 | 珠海格力电器股份有限公司 | Air conditioning indoor unit |
| CN108151173A (en) * | 2017-12-22 | 2018-06-12 | 广东美的制冷设备有限公司 | Dehumidifier |
| CN109688766A (en) * | 2018-12-27 | 2019-04-26 | 广东海悟科技有限公司 | A kind of Novel cabinet air-conditioning |
| CN114383197A (en) * | 2021-12-30 | 2022-04-22 | 珠海格力电器股份有限公司 | Air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141217 Effective date of abandoning: 20161012 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |